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Lookup NU author(s): Dr Stela Pruneanu,
Dr Liqin Dong,
Professor Nick Wright,
Professor Andrew Houlton,
Dr Ben Horrocks
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Polypyrrole nanowires formed by polymerization of pyrrole on a DNA template self-assemble into rope-like structures. These 'nanoropes' may be quite smooth (diameters 5-30 nm) or may show frayed ends where individual strands are visible. A combination of electric force microscopy, conductive atomic force microscopy and two-terminal current-voltage measurements show that they are conductive. Nanoropes adhere more weakly to hydrophobic surfaces prepared by silanization of SiO2 than to the clean oxide; this effect can be used to aid the combing of the nanoropes across microelectrode devices for electrical characterization. © 2008 WILEY-VCH Verlag GmbH & Co. KGaA.
Author(s): Pruneanu S, Al-Said SAF, Dong L, Hollis TA, Galindo MA, Wright NG, Houlton A, Horrocks BR
Publication type: Article
Publication status: Published
Journal: Advanced Functional Materials
ISSN (print): 1616-301X
ISSN (electronic): 1616-3028
Publisher: Wiley - VCH Verlag GmbH & Co. KGaA
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